Yoshino is shocked when told to start wearing a bra. Per Saori's suggestion, the class decides to do a gender bender play, in which boys play as girls and vice versa, for the upcoming cultural festival, with Yoshino suggesting that Shuichi write the scenario. The next day, Shuichi stays up late thinking up ideas for the play and ends up in the nurse's office along with Yoshino, whose distaste for wearing a bra helps Shuichi come up with the idea for the script...